The GUIDE UNIDO supports economies in transition and developing countries looking for safe, cost-effective and technically viable natural solutions to replace ozone-depleting substances in the heating, refrigeration, air-conditioning and foam-blowing sectors. Its ultimate objective is to share relevant experiences with ammonia, carbondioxide, hydrocarbons, water and air in the current phase-out ofozone-depleting hydrochlorofluorocarbons (HCFCs) in Article 5 countries under the Montreal Protocol.

See here the guide unido 2013

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